| Qatar Open 2019, MS | 2018/12/04 21:13 | Grinninger, Thomas v Bence Majoros | L | 0-3 |
| Qatar Open XD | 2018/11/06 10:40 | Grinninger, Thomas v Marcelo Aguirre | L | 0-4 |
| République tchèque - Extraleague | 2018/10/23 15:25 | Grinninger, Thomas v Cnudde, Florian | L | 1-4 |
| Qatar Open XD | 2018/03/14 08:00 | Grinninger, Thomas v Walaszek, Przemyslaw | W | 3-1 |
| Qatar Open XD | 2018/03/13 14:20 | Grinninger, Thomas v Laurens Devos | L | 2-3 |
| Qatar Open XD | 2018/03/09 08:10 | Tomas Polansky v Grinninger, Thomas | L | 4-0 |
| Qatar Open XD | 2017/11/22 09:05 | Grinninger, Thomas v Casares, Rafael | W | 3-2 |
| Qatar Open XD | 2017/10/31 15:30 | Adam Szudi v Grinninger, Thomas | W | 1-4 |
| Qatar Open XD | 2017/04/26 09:00 | Tobias Rasmussen v Hodaei, Amir Hossein | L | 3-1 |